[INFO] fetching crate sbml 0.2.2...
[INFO] checking sbml-0.2.2 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate sbml 0.2.2 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate sbml 0.2.2 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sbml 0.2.2
[INFO] finished tweaking crates.io crate sbml 0.2.2
[INFO] tweaked toml for crates.io crate sbml 0.2.2 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13926c38a0bb54b802203d37177ca10affea9f052ad95343aed12c2cebece865
[INFO] running `Command { std: "docker" "start" "-a" "13926c38a0bb54b802203d37177ca10affea9f052ad95343aed12c2cebece865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13926c38a0bb54b802203d37177ca10affea9f052ad95343aed12c2cebece865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13926c38a0bb54b802203d37177ca10affea9f052ad95343aed12c2cebece865", kill_on_drop: false }`
[INFO] [stdout] 13926c38a0bb54b802203d37177ca10affea9f052ad95343aed12c2cebece865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31b9d23a9699de4118cad6d52fedb9064fadd4b8cc26b6818ca0e23dcad7a54e
[INFO] running `Command { std: "docker" "start" "-a" "31b9d23a9699de4118cad6d52fedb9064fadd4b8cc26b6818ca0e23dcad7a54e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking roxmltree v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking serde_plain v0.3.0
[INFO] [stderr]     Checking mathml v0.4.4
[INFO] [stderr]     Checking sbml v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `AlgebraicRule`
[INFO] [stdout]    --> src/base_types.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     AlgebraicRule { math: MathNode },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AssignmentRule`
[INFO] [stdout]    --> src/base_types.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     AssignmentRule { math: MathNode, variable: &'a str },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RateRule`
[INFO] [stdout]    --> src/base_types.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     RateRule { math: MathNode, variable: &'a str },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AlgebraicRule`
[INFO] [stdout]    --> src/base_types.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     AlgebraicRule { math: MathNode },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AssignmentRule`
[INFO] [stdout]    --> src/base_types.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     AssignmentRule { math: MathNode, variable: &'a str },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RateRule`
[INFO] [stdout]    --> src/base_types.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     RateRule { math: MathNode, variable: &'a str },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.17s
[INFO] running `Command { std: "docker" "inspect" "31b9d23a9699de4118cad6d52fedb9064fadd4b8cc26b6818ca0e23dcad7a54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b9d23a9699de4118cad6d52fedb9064fadd4b8cc26b6818ca0e23dcad7a54e", kill_on_drop: false }`
[INFO] [stdout] 31b9d23a9699de4118cad6d52fedb9064fadd4b8cc26b6818ca0e23dcad7a54e